0 to take action in order to achieve something or in order to solve a problem: --
1 to be about or be on the subject of something: --
2 to do something in order to achieve something or in order to solve a problem: --
3 to be responsible for a particular job or activity in a company or organization: --
The department I work in deals with customer complaints.
4 to be about a particular subject: --
Her new film deals with the relationship between a woman and her sick daughter.
Waugh's first volume of memoirs dealt with his childhood and youth.
The novel deals with grand themes, but is never heavy or pretentious.
All the papers deal with the same subject in their editorials.
The lecturer temporarily departed from her subject to deal with a related theory.
The older drugs didn't deal effectively with the malaria parasite.